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--- linux:sed [2018/09/26 17:57] – [delete the redundant empty lines] percy
+++ linux:sed [2018/10/22 11:28] – percy
@@ Line 21: / Line 21: @@
   sed '/^$/{N;/^\n$/D}'
+E.g. Remove all the redundant empty lines in the Java source code
+  find app/src/ -iname "*.java" -exec gsed -i '/^$/{N;/^\n$/D}' {} +
+==== Combine every 3 lines into one line ====
+  sed 'N;N;s/\n/ /g'